linchpin Meaning and Definition
دھرے کی وہ عمودی کیل جو پہیے کو باہر نکلنے نہیں دیتی
dohray ki woh amoodi keel jo pahiye ko bahar nikalnay nahi deti
1. n. pin inserted through an axletree to hold a wheel on
2. n. a central cohesive source of support and stability
A linchpin, also spelled linch pin, lynchpin, or lynch pin, is a fastener used to prevent a wheel or other part from sliding off the axle upon which it is riding.
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